<template>
	<view>
		<view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
			<my-goods :goods="goods"></my-goods>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj:{
					query:'',
					cid:'',
					pagenum:1,
					pagesize:10
				},
				goodsList:[],
				total:0,
				//节流阀
				isloading: false
			};
		},
		onLoad(options) {
			this.queryObj.cid = options.cid || ''
			this.queryObj.query = options.query || ''
			//获取商品列表数据的方法
			this.getGoodsList()
		},
		methods:{
			async getGoodsList(cb){
				//打开节流阀
				this.isloading = true
				cb && cb()
				const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
				//关闭节流阀
				this.isloading = false
				if(res.meta.status !== 200){
					return uni.$showMsg()
				}
				this.goodsList = [...this.goodsList,...res.message.goods]
				this.total = res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
				})
			}
		},
		//下拉触底方法
		onReachBottom(){
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total){
				return uni.$showMsg('数据加载完毕!')
			}
			if(this.isloading){
				return
			}
			//页码自增
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		//上拉刷新方法
		onPullDownRefresh() {
			this.queryObj.pagenum = 1
			this.total = 0
			this.goodsList = []
			this.isloading = false
			
			//重新发起请求
			this.getGoodsList(()=>uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
